Show ani-cli version in config runtime info

http_handler.py

@@ -6,7 +6,9 @@ import json
 import mimetypes
 import os
 import shutil
+import subprocess
 import traceback
+from functools import lru_cache
 from dataclasses import dataclass
 from http.cookies import SimpleCookie
 from http import HTTPStatus
@@ -72,6 +74,22 @@ def dependency_status():
     return result
 
 
+@lru_cache(maxsize=1)
+def installed_ani_cli_version():
+    try:
+        completed = subprocess.run(
+            [ANI_CLI, "--version"],
+            check=True,
+            capture_output=True,
+            text=True,
+            timeout=6,
+        )
+    except (OSError, subprocess.SubprocessError):
+        return "Unavailable"
+    version = str(completed.stdout or completed.stderr or "").strip()
+    return version or "Unavailable"
+
+
 class Handler(BaseHTTPRequestHandler):
     server_version = "AniCliWeb/1.0"
     remote_token_cookie_name = "ani_cli_web_token"
@@ -380,7 +398,7 @@ class Handler(BaseHTTPRequestHandler):
             elif parsed.path == "/api/config":
                 self.json(Handler._context(self).get_config_snapshot())
             elif parsed.path == "/api/version":
-                self.json({"name": APP_NAME, "version": VERSION})
+                self.json({"name": APP_NAME, "version": VERSION, "ani_cli_version": installed_ani_cli_version()})
             elif parsed.path == "/api/dependencies":
                 self.json(dependency_status())
             elif parsed.path == "/api/search":